add colorize as a gem
support rendering ERB templates
Create a status prompt, show it to the user. Closes #9.
Convert score to template
Convert display_room to template
don't do anything if no input
fix some whitespace issues
add max hp for mobs
Rename Users to Players, implement basic combat
add who command
hopefully easier way to find players in game
respawn mobs periodically
Implement player death by combat.
use config files
introduce level module, fix combat bug
Implement ticks. Closes #3.
Track current state of user and reject actions accordingly.
Fix quit bug
Fix documentation, add documentation to repo
Update status prompt every tick